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These statements are about changes in the respiratory system. Which is correct?

migas7

wrote...

Posts: 414

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7 years ago

These statements are about changes in the respiratory system. Which is correct?

These statements are about changes in the respiratory system. Which is correct?

a. Respiratory muscles strengthen.
b. Lung tissue is more elastic.
c. Coughing may be easier to accomplish.
d. Respiratory infections and diseases can threaten the person's life.

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JenahCall

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#1

7 years ago

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